How many flights depart from London to Southeast Asia on average per day?

55 flights are operational daily from London to Southeast Asia as of August 2026. The most popular departure time for this route is 22:00, with 59% of flights per day taking off in the evening.

What is the cheapest airline that flies from London to Southeast Asia?

China Eastern, Etihad Airways, and British Airways are the most popular carriers operating from London to Southeast Asia

How many flights depart from London to Southeast Asia on average per week?

The number of flights available between London and Southeast Asia is 390 per week as of August 2026. The most frequent departure day is Wed, with 15% of weekly flights leaving on this day.

When did momondo last update prices for flights from London to Southeast Asia?

Prices for flights from London to Southeast Asia refresh daily.

How many operators does momondo search for flights from London to Southeast Asia?

As of August 2026, there are 2 operators available to choose from for flights from London to Southeast Asia.

How old do you have to be to fly from London to Southeast Asia?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London to Southeast Asia.

What documentation or ID do you need to fly to Southeast Asia?

The travel and health documents you'll need for your trip to Southeast Asia may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Southeast Asia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

€343 Cheap Flights from London to Southeast Asia in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from London to Southeast Asia

Return

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

22:10 - 22:00LHR London Heathrow-BKK Bangkok Suvarnabhumi

17h 50m1 stop Guangzhou Baiyun

08:20 - 19:20BKK Bangkok Suvarnabhumi-LHR London Heathrow

17h 00m1 stop Guangzhou Baiyun

€539China Southern

Thu, 27 Aug - Wed, 9 Sep

21:10 - 11:10LHR London Heathrow-BKK Bangkok Suvarnabhumi

31h 00m1 stop Shenzhen

17:55 - 19:10BKK Bangkok Suvarnabhumi-LHR London Heathrow

32h 15m1 stop Shenzhen

€540Shenzhen Airlines

Mon, 26 Oct - Tue, 10 Nov

21:00 - 22:25LHR London Heathrow-BKK Bangkok Suvarnabhumi

18h 25m1 stop Shanghai Pu Dong

19:55 - 17:30BKK Bangkok Suvarnabhumi-LHR London Heathrow

28h 35m1 stop Shanghai Pu Dong

€541China Eastern

Tue, 3 Nov - Wed, 25 Nov

21:10 - 01:20LHR London Heathrow-BKK Bangkok Suvarnabhumi

21h 10m1 stop Shenzhen

02:20 - 19:10BKK Bangkok Suvarnabhumi-LHR London Heathrow

23h 50m1 stop Shenzhen

€543Shenzhen Airlines

Fri, 6 Nov - Sun, 22 Nov

22:00 - 01:30LHR London Heathrow-MNL Manila Ninoy Aquino Intl

20h 30m1 stop Chengdu Tianfu Intl

06:25 - 20:25MNL Manila Ninoy Aquino Intl-LHR London Heathrow

21h 00m1 stop Beijing Capital

€640Air China

Tue, 15 Sep - Wed, 30 Sep

17:40 - 00:05LHR London Heathrow-MNL Manila Ninoy Aquino Intl

22h 25m1 stop Beijing Capital

06:20 - 17:50MNL Manila Ninoy Aquino Intl-LHR London Heathrow

19h 30m1 stop Beijing Capital

€657Air China

Thu, 26 Nov - Fri, 26 Feb

18:40 - 22:50LHR London Heathrow-MNL Manila Ninoy Aquino Intl

20h 10m2 stops Zurich Singapore Changi

19:45 - 08:05MNL Manila Ninoy Aquino Intl-LHR London Heathrow

20h 20m2 stops Hong Kong Intl Zurich

€675SWISS

Tue, 10 Nov - Mon, 23 Nov

20:05 - 22:50LHR London Heathrow-MNL Manila Ninoy Aquino Intl

42h 45m2 stops Zurich Singapore Changi

19:45 - 08:05MNL Manila Ninoy Aquino Intl-LHR London Heathrow

20h 20m2 stops Hong Kong Intl Zurich

€675SWISS

Mon, 9 Nov - Tue, 8 Dec

20:05 - 22:50LHR London Heathrow-MNL Manila Ninoy Aquino Intl

42h 45m2 stops Zurich Singapore Changi

19:45 - 08:05MNL Manila Ninoy Aquino Intl-LHR London Heathrow

20h 20m2 stops Hong Kong Intl Zurich

€677SWISS

Mon, 9 Nov - Mon, 23 Nov

20:25 - 00:05LHR London Heathrow-MNL Manila Ninoy Aquino Intl

19h 40m1 stop Beijing Capital

06:20 - 15:55MNL Manila Ninoy Aquino Intl-LHR London Heathrow

17h 35m1 stop Beijing Capital

€752Air China

Tue, 24 Nov - Mon, 1 Mar

Cheap last-minute flights

Enter your travel dates to find the best prices.

22:05 - 11:10LHR London Heathrow-BKK Bangkok Suvarnabhumi

31h 05m1 stop Shenzhen

19:15 - 20:00BKK Bangkok Suvarnabhumi-LHR London Heathrow

30h 45m1 stop Shenzhen

€600Shenzhen Airlines

Mon, 10 Aug - Thu, 10 Sep

22:05 - 18:15LHR London Heathrow-BKK Bangkok Suvarnabhumi

38h 10m1 stop Shenzhen

19:15 - 20:00BKK Bangkok Suvarnabhumi-LHR London Heathrow

30h 45m1 stop Shenzhen

€604Shenzhen Airlines

Mon, 10 Aug - Tue, 8 Sep

21:45 - 21:50LHR London Heathrow-MNL Manila Ninoy Aquino Intl

41h 05m1 stop New Delhi Indira Gandhi Intl

22:10 - 11:30MNL Manila Ninoy Aquino Intl-LHR London Heathrow

21h 20m1 stop New Delhi Indira Gandhi Intl

€636Air India

Tue, 11 Aug - Thu, 26 Nov

21:45 - 21:50LHR London Heathrow-MNL Manila Ninoy Aquino Intl

41h 05m1 stop New Delhi Indira Gandhi Intl

22:10 - 11:30MNL Manila Ninoy Aquino Intl-LHR London Heathrow

21h 20m1 stop New Delhi Indira Gandhi Intl

€638Air India

Tue, 11 Aug - Thu, 26 Nov

13:15 - 21:50LHR London Heathrow-MNL Manila Ninoy Aquino Intl

25h 35m1 stop New Delhi Indira Gandhi Intl

22:55 - 19:00MNL Manila Ninoy Aquino Intl-LHR London Heathrow

27h 05m1 stop New Delhi Indira Gandhi Intl

€670Air India

Tue, 11 Aug - Thu, 10 Sep

09:45 - 21:50LHR London Heathrow-MNL Manila Ninoy Aquino Intl

29h 05m1 stop New Delhi Indira Gandhi Intl

22:55 - 11:30MNL Manila Ninoy Aquino Intl-LHR London Heathrow

19h 35m1 stop New Delhi Indira Gandhi Intl

€672Air India

Tue, 11 Aug - Thu, 10 Sep

18:00 - 20:10LGW London Gatwick-SIN Singapore Changi

19h 10m1 stop Shanghai Pu Dong

12:40 - 15:00SIN Singapore Changi-LGW London Gatwick

33h 20m2 stops Kunming Changshui Shanghai Hongqiao Intl

€678China Eastern

Mon, 10 Aug - Mon, 17 Aug

18:00 - 01:30LGW London Gatwick-SIN Singapore Changi

24h 30m3 stops Shanghai Pu Dong Zhaotong Kunming Changshui

18:25 - 15:00SIN Singapore Changi-LGW London Gatwick

27h 35m1 stop Shanghai Pu Dong

€678China Eastern

Mon, 10 Aug - Mon, 17 Aug

17:15 - 22:55LHR London Heathrow-MNL Manila Ninoy Aquino Intl

22h 40m2 stops Zurich Hong Kong Intl

18:35 - 13:00MNL Manila Ninoy Aquino Intl-LHR London Heathrow

25h 25m3 stops Singapore Changi Brussels Bruxelles-National Zurich

€1,246SWISS

Tue, 11 Aug - Wed, 2 Sep

18:40 - 22:55LHR London Heathrow-MNL Manila Ninoy Aquino Intl

21h 15m2 stops Zurich Hong Kong Intl

18:35 - 13:00MNL Manila Ninoy Aquino Intl-LHR London Heathrow

25h 25m3 stops Singapore Changi Brussels Bruxelles-National Zurich

€1,645SWISS

Mon, 10 Aug - Wed, 12 Aug

Cheap direct flights

Enter your travel dates to find the best prices.

09:20 - 06:15LGW London Gatwick-SIN Singapore Changi

12h 55mdirect

02:30 - 09:00SIN Singapore Changi-LGW London Gatwick

14h 30mdirect

€712Singapore Airlines

Sun, 29 Nov - Sat, 5 Dec

09:20 - 06:15LGW London Gatwick-SIN Singapore Changi

12h 55mdirect

02:30 - 09:00SIN Singapore Changi-LGW London Gatwick

14h 30mdirect

€712Singapore Airlines

Thu, 29 Oct - Wed, 4 Nov

09:20 - 06:15LGW London Gatwick-SIN Singapore Changi

12h 55mdirect

02:30 - 09:00SIN Singapore Changi-LGW London Gatwick

14h 30mdirect

€714Singapore Airlines

Mon, 26 Oct - Sun, 1 Nov

09:20 - 06:15LGW London Gatwick-SIN Singapore Changi

12h 55mdirect

02:30 - 09:00SIN Singapore Changi-LGW London Gatwick

14h 30mdirect

€716Singapore Airlines

Tue, 27 Oct - Sun, 1 Nov

09:20 - 06:15LGW London Gatwick-SIN Singapore Changi

12h 55mdirect

02:30 - 09:00SIN Singapore Changi-LGW London Gatwick

14h 30mdirect

€716Singapore Airlines

Mon, 26 Oct - Wed, 25 Nov

09:20 - 06:15LGW London Gatwick-SIN Singapore Changi

12h 55mdirect

02:30 - 09:00SIN Singapore Changi-LGW London Gatwick

14h 30mdirect

€717Singapore Airlines

Sun, 22 Nov - Sun, 29 Nov

10:00 - 06:25LGW London Gatwick-SIN Singapore Changi

13h 25mdirect

02:30 - 09:00SIN Singapore Changi-LGW London Gatwick

14h 30mdirect

€722Singapore Airlines

Thu, 22 Oct - Sun, 1 Nov

09:20 - 06:15LGW London Gatwick-SIN Singapore Changi

12h 55mdirect

23:55 - 06:25SIN Singapore Changi-LGW London Gatwick

14h 30mdirect

€743Singapore Airlines

Wed, 18 Nov - Tue, 1 Dec

10:00 - 06:25LGW London Gatwick-SIN Singapore Changi

13h 25mdirect

02:30 - 09:00SIN Singapore Changi-LGW London Gatwick

14h 30mdirect

€745Singapore Airlines

Thu, 22 Oct - Wed, 28 Oct

13:00 - 10:00LGW London Gatwick-SIN Singapore Changi

13h 00mdirect

02:30 - 09:00SIN Singapore Changi-LGW London Gatwick

14h 30mdirect

€773Singapore Airlines

Wed, 25 Nov - Wed, 2 Dec

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Shenzhen Airlines flights from London to Southeast Asia

Our best Shenzhen Airlines deals on London to Southeast Asia flight tickets

Shenzhen Airlines

26 Oct

LHR21:10London Heathrow

31h 00m

1 stop

BKK11:10Bangkok Suvarnabhumi

10 Nov

BKK17:55Bangkok Suvarnabhumi

32h 15m

1 stop

LHR19:10London Heathrow

€540

Shenzhen Airlines

6 Nov

LHR21:10London Heathrow

21h 10m

1 stop

BKK01:20Bangkok Suvarnabhumi

22 Nov

BKK02:20Bangkok Suvarnabhumi

23h 50m

1 stop

LHR19:10London Heathrow

€543

Shenzhen Airlines

4 Nov

LHR21:10London Heathrow

21h 10m

1 stop

BKK01:20Bangkok Suvarnabhumi

22 Nov

BKK12:10Bangkok Suvarnabhumi

38h 00m

1 stop

LHR19:10London Heathrow

€544

China Eastern flights from London to Southeast Asia

Our best China Eastern deals on London to Southeast Asia flight tickets

China Eastern

3 Nov

LHR21:00London Heathrow

18h 25m

1 stop

BKK22:25Bangkok Suvarnabhumi

25 Nov

BKK19:55Bangkok Suvarnabhumi

28h 35m

1 stop

LHR17:30London Heathrow

€541

China Eastern

8 Nov

LHR21:00London Heathrow

18h 25m

1 stop

BKK22:25Bangkok Suvarnabhumi

24 Nov

BKK15:55Bangkok Suvarnabhumi

32h 35m

2 stops

LHR17:30London Heathrow

€547

China Eastern

2 Nov

LHR21:00London Heathrow

18h 25m

1 stop

BKK22:25Bangkok Suvarnabhumi

22 Nov

BKK07:50Bangkok Suvarnabhumi

40h 40m

2 stops

LHR17:30London Heathrow

€548

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

LondonBangkok

LHR London Heathrow - BKK Bangkok Suvarnabhumi

LHRBKK

London Heathrow

Thu 27/8

22:10-22:00

1 stop17h 50m

Bangkok Suvarnabhumi

Wed 9/9

08:20-19:20

1 stop17h 00m

€539

LondonBangkok

LHR London Heathrow - BKK Bangkok Suvarnabhumi

LHRBKK

London Heathrow

Mon 26/10

21:10-11:10

1 stop31h 00m

Bangkok Suvarnabhumi

Tue 10/11

17:55-19:10

1 stop32h 15m

€540

LondonBangkok

LHR London Heathrow - BKK Bangkok Suvarnabhumi

LHRBKK

London Heathrow

Tue 3/11

21:00-22:25

1 stop18h 25m

Bangkok Suvarnabhumi

Wed 25/11

19:55-17:30

1 stop28h 35m

€541

LondonBangkok

LHR London Heathrow - BKK Bangkok Suvarnabhumi

LHRBKK

London Heathrow

Fri 6/11

21:10-01:20

1 stop21h 10m

Bangkok Suvarnabhumi

Sun 22/11

02:20-19:10

1 stop23h 50m

€543

LondonManila

LHR London Heathrow - MNL Manila Ninoy Aquino Intl

LHRMNL

London Heathrow

Tue 15/9

22:00-01:30

1 stop20h 30m

Manila Ninoy Aquino Intl

Wed 30/9

06:25-20:25

1 stop21h 00m

€640

LondonManila

LHR London Heathrow - MNL Manila Ninoy Aquino Intl

LHRMNL

London Heathrow

Thu 26/11

17:40-00:05

1 stop22h 25m

Manila Ninoy Aquino Intl

Fri 26/2

06:20-17:50

1 stop19h 30m

€657

LondonManila

LHR London Heathrow - MNL Manila Ninoy Aquino Intl

LHRMNL

London Heathrow

Tue 10/11

18:40-22:50

2 stops20h 10m

Manila Ninoy Aquino Intl

Mon 23/11

19:45-08:05

2 stops20h 20m

€675

LondonManila

LHR London Heathrow - MNL Manila Ninoy Aquino Intl

LHRMNL

London Heathrow

Mon 9/11

20:05-22:50

2 stops42h 45m

Manila Ninoy Aquino Intl

Tue 8/12

19:45-08:05

2 stops20h 20m

€675

LondonManila

LHR London Heathrow - MNL Manila Ninoy Aquino Intl

LHRMNL

London Heathrow

Mon 9/11

20:05-22:50

2 stops42h 45m

Manila Ninoy Aquino Intl

Mon 23/11

19:45-08:05

2 stops20h 20m

€677

LondonManila

LHR London Heathrow - MNL Manila Ninoy Aquino Intl

LHRMNL

London Heathrow

Tue 24/11

20:25-00:05

1 stop19h 40m

Manila Ninoy Aquino Intl

Mon 1/3

06:20-15:55

1 stop17h 35m

€752

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from London to Southeast Asia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Southeast Asia?

The cheapest month to fly to Southeast Asia from London is in November. Flight prices, which tend to average around €709, are often lower during this time because this is during the off-season. If you’re not able to fly to Southeast Asia in November, then September is your next best option. Flight prices from London to Southeast Asia during September average around €741.

What is the cheapest day to depart on your flight to Southeast Asia?

The cheapest day to depart from London to Southeast Asia is on a Monday. Travellers who choose to depart for Southeast Asia on a Monday will often find tickets for as low as €870. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around €1,526. These prices are subject to change though, so be sure to set up a Price Alert for flights to Southeast Asia.

What is the cheapest time of day to depart on your flight to Southeast Asia?

Our most recent data shows that the best time of day to fly to Southeast Asia is in the evening. Flights from London to Southeast Asia during this time can be as low as €954. Flights to Southeast Asia are more costly in the morning, with an average ticket price of €1,242. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest London to Southeast Asia flight route?

Fly from London Gatwick to Phuket City for the best London - Southeast Asia flight prices

How far in advance should I book a flight from London to Southeast Asia?

You are more likely to see cheaper flights to Southeast Asia from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Southeast Asia for around €817 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Southeast Asia from London for as low as €772 on momondo.

What cabin class options are available on London to Southeast Asia flights?

There are 3 cabin classes available to choose from on London to Southeast Asia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on London to Southeast Asia flights?

No. A direct flight is the cheapest option for a flight between London to Southeast Asia.

Cheap London to Southeast Asia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London to Southeast Asia

Fastest flight time	11h 40m
Direct flights	Every day
Airports in Southeast Asia	294 airports

The fastest flight from London to Southeast Asia takes 11h 40m

Direct flights go from London to Southeast Asia every day.

There are 294 airports in Southeast Asia. From London there are direct flights to Bangkok Suvarnabhumi (BKK).

Search flight deals

Frequently asked questions about flying from London to Southeast Asia

When did momondo last update prices for flights from London to Southeast Asia?
Prices for flights from London to Southeast Asia refresh daily.
How many operators does momondo search for flights from London to Southeast Asia?
As of August 2026, there are 2 operators available to choose from for flights from London to Southeast Asia.
How old do you have to be to fly from London to Southeast Asia?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London to Southeast Asia.
What documentation or ID do you need to fly to Southeast Asia?
The travel and health documents you'll need for your trip to Southeast Asia may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Southeast Asia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from London to Southeast Asia?
Based on momondo bookings for flights between London and Southeast Asia, the leading plane model is Boeing 787-9 Dreamliner, making up 19.38% of the total bookings. Other popular models include Airbus A350-1000 with 13.16%, Boeing 777 with 13.08%, and Airbus A321neo with 7.76%.

Best airlines flying from London to Southeast Asia

Compare and see reviews for airlines that fly from London to Southeast Asia with momondo

Airline	Rating	Free Cancellation	Price
Air China	PriceFrom €529	Free Cancellation	Rating 7.4 160 reviews		Search Air China flights
SWISS	PriceFrom €691	Free Cancellation	Rating 7.5 2,026 reviews		Search SWISS flights

Why use momondo?

Why should I use momondo to find a flight deal from London to Southeast Asia?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Southeast Asia . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from London to Southeast Asia with flexible booking policies on momondo?

All flight searches from London to Southeast Asia on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from London to Southeast Asia?

momondo provides multiple filters to help you find the best flight to Southeast Asia from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from London to Southeast Asia right now. Can momondo alert me if prices change?

Yes. momondo can track prices for London to Southeast Asia flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.